28882315 has 32 divisors (see below), whose sum is σ = 44121600. Its totient is φ = 17992800.

The previous prime is 28882307. The next prime is 28882331. The reversal of 28882315 is 51328882.

It is not a de Polignac number, because 28882315 - 2³ = 28882307 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18100 + ... + 19630.

It is an arithmetic number, because the mean of its divisors is an integer number (1378800).

Almost surely, 2^28882315 is an apocalyptic number.

28882315 is a deficient number, since it is larger than the sum of its proper divisors (15239285).

28882315 is a wasteful number, since it uses less digits than its factorization.

28882315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1568 (or 1554 counting only the distinct ones).

The product of its digits is 30720, while the sum is 37.

The square root of 28882315 is about 5374.2269211488. The cubic root of 28882315 is about 306.8155264749.

The spelling of 28882315 in words is "twenty-eight million, eight hundred eighty-two thousand, three hundred fifteen".